If you want to jump ahead and see a full working example, download and run the sample app and select the Card Flip example. See the following files for the code
Drawing a UI is only one part of creating a custom view. You also need to make your view respond to user input in a way that closely resembles the real-world action you're mimicking. Objects should always act in the same way that real objects do.
在Android4.0(API leverl 14)中使用ActionProvider能夠更容易的實現一個在ActionBar中的方便使用和高效的共用Action。一旦一個ActionProvider附加到ShareActionProvider菜單中,你只需要提供一個共用的Intent就可以,剩下的其他工作由它來完成。注意一點:ActionProvider只能用在API lever 14及以後的版本中。
今天自訂了一個AlertDialog對話方塊,第一次點擊時正常,但第二次調用時會出現錯誤:java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first. 出錯的代碼為:[java] //視窗構造器 synchronized protected
Now that you have two implementations of TabHelper and CompatTab—one for Android 3.0 and later and one for earlier versions of the platform—it's time to do something with these implementations. This lesson discusses creating the
An important aspect of the user experience when operating a TV is the direct human interface: a remote control. As you optimize your Android application for TVs, you should pay special attention to how the user actually navigates around your
Accessibility services are a feature of the Android framework designed to provide alternative navigation feedback to the user on behalf of applications installed on Android devices. An accessibility service can communicate to the user on the